public class IrregularArray {
  public static void main(String[] args) {
    int[][] arr=new int[2][];
    arr[0] = new int[] {1,2,3,4,5};
    arr[1] = new int[] {1,2,3};
    for(int[] row : arr) {
      for(int value : row) {
         System.out.printf("%2d",value);
      }
      System.out.println();
    }
  }
}
